Extended Data Fig. 1: Images of sample PRR16794.
From: Ice retreat in Wilkes Basin of East Antarctica during a warm interglacial

a, b, Sample shown in visible light (with location of dated horizons corresponding to data reported in Extended Data Table 1) (a) and the scanning electron microscope (SEM)/energy-dispersive X-ray spectroscopy (EDS) compositional map showing variations in manganese (green for high Mn, black for low Mn) (b).